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<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
</body>
<script>
    // 封装为一个函数，函数 参数 为 传入的字符串   返回值为对象结构
    // 获取当前页面的url路径       host 主机名（ip） +端口    hostname 主机名   port 端口
    console.log(window.location.href);
    var searchStr = function(){
        window.location.href = "http://locahost:3000/?username=zhangsan&age=20";
    }

    var urlstr = "http://locahost:3000/?username=zhangsan&age=20";
    // var searchStr = location.search;
    console.log("searchStr");
    searchStr =searchStr.slice(1);
    var arr = searchStr.slipt("&");
    for(var i =0;i<arr.length;i++){
        var childArr = arr[i].slipt("=");
        obj[childArr[0]=childArr[1]];

    }
    console.log(obj);

</script>
</html>